Mark Dubowitz in the Media

Clinton to Congress: US Moving on Iran Penalties

An outside sanctions expert who has advised the administration said there were plenty of examples of foreign companies engaging in transactions that would be subject to sanctions beginning Wednesday.

If the administration takes no public action against those companies now it would be a lost opportunity to show resolve ahead of next week's meeting between Obama and Israeli Prime Minister Benjamin Netanyahu, said Mark Dubowitz, executive director of the nonprofit Foundation for Defense of Democracies.

"They should do something," Dubowitz said. "There is ample authority and you have a target-rich environment."